* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

html,body{
    height: 100%;
    width: 100%;
    background-image: url(../img/url.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}
.nav .sp {
    width: 70%;
}
.nav{
    width: 100%;
    height: 50px;
    background-color: gray;
    display: flex;
    justify-content: left;
    align-items: center;
    color: aliceblue;
}
/* 头像 */
.nav img{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-left: 8px;
    margin-right: 8px;
    margin-top: 0px;
}
.nav a{
    color: aliceblue;
    text-decoration: none;
    margin-left: 8px;
    margin-right: 8px;
}
.nav a:hover{
    color: blue;
}
.add{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    height: calc(100% - 50px);
    width: 100%; 
}
.add .add-left{
    height: 100%;
    width: 30%;
    background-color: rgba(255,255,255,0.8);
}
.add .add-right{
    height: 100%;
    width: 70%;
    background-color: rgba(255,255,255,0.8);
    overflow: auto;
}
.cren{
    margin-top: 10px;
    width: 60%;
    height: 50%;
    background-color: rgba(255,255,255,0.8);
    margin-left: 90px;
    margin-right: 10px;
    border-radius: 15px;
}
.cren img{
    
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: block;  /* 将图片转为块级元素 */
    margin: 10px auto 0; 	 /* 上	外边距20px，左右自动居中，下外边距0 */
}
.cren h3{	
    text-align: center;
}
.cren a{
    margin-bottom: 10px;
    display: block;
    text-align: center;
    color: darkgrey;
    text-decoration: none;
}
.cren .kko{
    display: flex;
    justify-content: space-around;
}
.bolg{
    width: 100%;
    background-color: rgba(255,255,255,0.8);
    border-radius: 15px;
    margin-top: 10px;
}
.bolg .ti{
    font-size: 20px;
    font-weight: 900;
    text-align: center;
    padding-top: 20px;
}
.bolg .data{
    padding-bottom: 10px;
    padding-top: 10px;
    color: rgb(1, 136, 16);
    text-align: center;
}
.bolg .desc{
    text-indent: 2em;
    line-height: 30px;
    margin-top: 20px;
}
.bolg .deli{
    display: block;
    color: black;
    text-align: center;
    width: 140px;
    height: 40px;
    margin: 10px auto 0px auto;
    /* 方框 */
    border: 2px solid black;

    line-height: 40px;
    text-decoration: none;
}
.bolg .deli:active{
    color: brown;
}
.cren p{
    font-size: 12px;
    text-align: center;
}